Mathematics Homework Solutions

Finite Math (part 2)

(See attached file for full problem description) --- 1. What is true about the number of solutions to a system of m linear equations in n unknowns if m = n? If m < n? If m > n? Solve each system by the echelon method. 3. 2x + 3y = 10 -3x + y = 18 5. 2x - 3y + z = -5 x + 4y + 2z = 13 5x + 5y + 3z = 14 S ...continues

word problem - If volume is 35 cubic feet, when height is 20 feet and the girth is 5 feet.

Girth is distance around. If volume is 35 cubic feet, when height is 20 feet and the girth is 5 feet. What is the heigth when the volume is 85.75 feet and the girth is 7 feet?

finite math

(See attached file for full problem description) --- 47. In general, people tend to live longer in countries that have a greater supply of food. Listed below is the 1997 daily calorie supply and 2000 life expectancy at birth for 10 randomly selected countries. Country Calories (x) Life expectancy (y) Afghanistan 15 ...continues

Finite Math

(See attached file for full problem description) --- 1) Discuss from your own experience a case where you had to maximize or minimize something and also how you think linear programming techniques might have helped you arrive at your final decision. 2) Read the short, well-written article on the Simplex Method which ...continues

Finite Math

(See attached file for full problem description) --- Please show all of you work so I can understand how to solve these problems. 1.) Without graphing, determine which of the following three points: P1 = (8,6) P2 = (2,5) P3 = (4,1) are part of the graph of the following system: y - 10x <= 0 2y - 3 ...continues

Finite Math

Can you show me step by step how to create and solve linear problems using excel?

finite math

Explain a process more clearly. (See attached file for full problem description) --- - Minimize... - Duality Principle... - Transposing Matrices... - Pivot Operation --- (See attached file for full problem description)

Finite Math

1) How would economic pressures like inflation or deflation affect your decision to make a long term investment? Should our mathematical analysis take these factors into consideration? 2) What are some different types of annuities that you have used or heard of? --- (See attached file for full problem description)

finite math (2 q's)

1) Please explain in your own words the duality principle. 2) I have looked at purplemath and it has helped some. The biggest problem I have with matrices is the multiplication. I get them right but I believe the confusion comes from the way it is set up. To be more clear the way it is set up as far as the rows and columns. If ...continues

Finite Math

1.) Dan borrows $500 at 9% per annum simple interest for 1 year and 2 months. What is the interest charged, and what is the amount due? ________________________________________ 2.) A mutual fund pays 9% per annum compounded monthly. How much should I invest now so that 2 years from now I will have $100 in the account? ...continues

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